19970229375 has 160 divisors (see below), whose sum is σ = 39767270400. Its totient is φ = 9865152000.

The previous prime is 19970229277. The next prime is 19970229401. The reversal of 19970229375 is 57392207991.

It is not a de Polignac number, because 19970229375 - 2¹⁰ = 19970228351 is a prime.

It is a super-2 number, since 2×19970229375² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 19220106 + ... + 19221144.

It is an arithmetic number, because the mean of its divisors is an integer number (248545440).

Almost surely, 2^19970229375 is an apocalyptic number.

19970229375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19970229375 is a deficient number, since it is larger than the sum of its proper divisors (19797041025).

19970229375 is a wasteful number, since it uses less digits than its factorization.

19970229375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 19970229375 in words is "nineteen billion, nine hundred seventy million, two hundred twenty-nine thousand, three hundred seventy-five".